#1C3F96#1C3F96
#1C3F96 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.149 H 264.1°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).
Color values
| HEX | #1C3F96 |
|---|---|
| RGB | rgb(28, 63, 150) |
| HSL | hsl(223, 69%, 35%) |
| HSV | hsv(223, 81%, 59%) |
| CMYK | cmyk(81.3%, 58%, 0%, 41.2%) |
| CIE-LAB | lab(29.42, 21.13, -51.25) |
| CIE-LCH | lch(29.42, 55.43, 292.41°) |
| OKLab | oklab(39.92% -0.0152 -0.148) |
| OKLCH | oklch(39.92% 0.149 264.1) |
| XYZ | xyz(7.7595, 6.0030, 29.5980) |
| Luminance | 0.0600 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.67
Cobalt
#0047AB
ΔE00 3.81
Sapphire (survey)
#2138AB
ΔE00 4.57
Darkish Blue
#014182
ΔE00 4.68
Twilight Blue
#0A437A
ΔE00 5.83
Blueberry
#464196
ΔE00 6.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C3F96 #96731C
analogous
#1C7C96 #1C3F96 #361C96
triadic
#1C3F96 #961C3F #3F961C
tetradic
#1C3F96 #961C7C #96731C #1C9636
square
#1C3F96 #961C7C #96731C #1C9636
split-complementary
#1C3F96 #96361C #7C961C
monochromatic
#09142F #122962 #1C3F96 #2655CA #4E78DE
Accessibility & contrast
On white
9.54
#1C3F96 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.20
#1C3F96 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C3F96
9.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C3F96 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C3F96 | 1.00 | 9.54 | 2.20 | 9.54 |
| #FFFFFF | 9.54 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.54 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004B99
Deuteranopia (green-blind)
#004094
Tritanopia (blue-blind)
#005564
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #1c3f96; /* rgb */ color: rgb(28, 63, 150); /* oklch */ color: oklch(39.9% 0.149 264.1);
Tailwind
colors: {
custom: {
50: '#6e73b6',
500: '#1c3f96',
950: '#000000',
},
}SCSS
$custom: #1c3f96; $custom-light: #6e73b6; $custom-dark: #000000;
JSON
{
"hex": "#1c3f96",
"rgb": {
"r": 28,
"g": 63,
"b": 150
},
"hsl": {
"h": 222.787,
"s": 68.539,
"l": 34.902
},
"oklch": {
"l": 0.3992,
"c": 0.14878,
"h": 264.1
},
"luminance": 0.06004
}Semantic roles & 50–950 ramp
primary
#1C3F96
secondary
#C19F4D
accent
#B93CEB
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080811
muted
#7B7B80